The Cambridge history of Iran.  Vol. 4,  The period from the Arab invasion to the Saljugs / 
edited by R. N. Frye. 
 - London :  Cambridge University Press,  1975. 
 - xiii, 734p. 
<br/><br/><label>ISBN: </label>0521200938 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Iran--History.